In the spiritual sense, Jerusalem is the point of connection between the souls and the upper system. If we speak of the city itself, it is completely unique and has a special status for Israel, because it is the place where the Temple Mount is located and where the Temple stood; it is the symbol of the connection of this world with the upper world.
Jerusalem is a symbol of unity. And it is known that it is precisely unity that makes the people of Israel special and chosen. Without it, our people would not have attained the degree of Bina, of bestowal, which is symbolized by the number 40 (the forty years of wandering in the desert), and the land of Israel, which means straight to the Creator (Israel, Yashar‑El).
All this became possible thanks to the work they carried out, through their ascents and descents and through overcoming all kinds of obstacles along the way.
When we work against egoism to foster our connection, we attain a desire directed to the Creator; this is a state collectively referred to as the “land of Israel.” Subsequently we arrive at a special, perfect city (Ira Shlema), called Jerusalem (Yerushalaim).
Within this city lies a mountain (Har), that is, a special set of doubts (Hirhurim) through which we acquire the vessel of receiving for the sake of bestowal (the First Temple), followed by the vessel of bestowal for the sake of bestowal (the Second Temple).
All these spiritual states are attained only by unity. We are not speaking about stones or a geographical location, but rather of the Jerusalem within the heart, that is, the process of constructing a relationship defined as perfect awe or the perfect city (Ira Shlema). It is the place of connection between us and the upper force, the Creator.
Everything is expressed through unity. Where there is unity, there is the land of Israel, Jerusalem, the Temple Mount; but where there is no unity, none of these things exists either. Therefore do we truly reside in the land of Israel and in Jerusalem today?
Strictly speaking, no. For now, these are only potential concepts intended to direct us toward attaining their essence, that is, correct connection. Only then will we find ourselves in the land of Israel, in Jerusalem, and upon the Temple Mount.
Baal HaSulam explains that we were granted the land of Israel for a time as an opportunity to realize our unity and attain redemption, that is, the revelation of the upper force. Redemption is freedom from one’s egoism—for each one individually and for all of us together.
Therefore, our primary task lies in working toward unity against egoism. In doing so, we will reveal Jerusalem in our heart along with all the other, deeper, inner qualities that will manifest within it.
“Jerusalem, built like a city which combines in fellowship, the city which confers fellowship on all of Israel” (Rabbi Yehoshua ben Levi ,Jerusalem Talmud, Tractate Chagiga).
This means that if we attain the spiritual state called Jerusalem, we become a single people of Israel, as if one man. In this lies the symbol and the essence of Jerusalem. Nowhere else, in no other nation, is there such an approach. Because in the people of Israel, everything is always revealed only through unity—without which there is no people of Israel, no land of Israel, and no Jerusalem.
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From the Daily Kabbalah Lesson 5/24/17, “Jerusalem Day”



